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Chinese Journal of Biochemical Pharmaceutics ; (6): 37-39, 2017.
Article in Chinese | WPRIM | ID: wpr-514665

ABSTRACT

Objective To research the optimal preparation technology of salinomycin micelle.Methods DSPE-PEG2000 was selected as the carrier.Salinomycin was selected as the model drug.The film dispersion method, the ethanol injection method and the dialysis method were used to prepare salinomycin micelles respectively.The comprehensive evaluation indexes included entrapment rate and drug-loading rate, release capacity and vitro cytotoxicity test in order to select the most suitable preparation technology of salinomycin micelle .Results The film dispersion method is the most suitable preparation technology of salinomycin micelle in the three methods.Its average grain diameter was (14 ±2.3) nm, entrapment rate was (82 ± 2.6)%, drug-loading rate was (6.3 ±2.1)%, IC50 to HepG2 tumor cells was 16.10 ±3.71.Conclusion The film dispersion method of salinomycin micelles has the advantages with the smallest size, the highest entrapment rate and the largest drug-loading rate, which has the function to kill tunmor cells and release slowly.

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